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* breakpoint.c (all_locations_are_pending): Consider locations
[deliverable/binutils-gdb.git] / bfd / mach-o-x86-64.c
CommitLineData
618b7301
TG		 1/* Intel x86-64 Mach-O support for BFD.
2 Copyright 2010
3 Free Software Foundation, Inc.
4
5 This file is part of BFD, the Binary File Descriptor library.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
21
22#include "sysdep.h"
23#include "mach-o.h"
24#include "bfd.h"
25#include "libbfd.h"
26#include "libiberty.h"
46d1c23b 27#include "mach-o/x86-64.h"
618b7301
TG		 28
29#define bfd_mach_o_object_p bfd_mach_o_x86_64_object_p
30#define bfd_mach_o_core_p bfd_mach_o_x86_64_core_p
31#define bfd_mach_o_mkobject bfd_mach_o_x86_64_mkobject
32
33static const bfd_target *
34bfd_mach_o_x86_64_object_p (bfd *abfd)
35{
36 return bfd_mach_o_header_p (abfd, 0, BFD_MACH_O_CPU_TYPE_X86_64);
37}
38
39static const bfd_target *
40bfd_mach_o_x86_64_core_p (bfd *abfd)
41{
42 return bfd_mach_o_header_p (abfd,
43 BFD_MACH_O_MH_CORE, BFD_MACH_O_CPU_TYPE_X86_64);
44}
45
46static bfd_boolean
47bfd_mach_o_x86_64_mkobject (bfd *abfd)
48{
49 bfd_mach_o_data_struct *mdata;
50
51 if (!bfd_mach_o_mkobject_init (abfd))
52 return FALSE;
53
54 mdata = bfd_mach_o_get_data (abfd);
fde33808 55 mdata->header.magic = BFD_MACH_O_MH_MAGIC_64;
618b7301
TG		 56 mdata->header.cputype = BFD_MACH_O_CPU_TYPE_X86_64;
57 mdata->header.cpusubtype = BFD_MACH_O_CPU_SUBTYPE_X86_ALL;
58 mdata->header.byteorder = BFD_ENDIAN_LITTLE;
fde33808 59 mdata->header.version = 2;
618b7301
TG		 60
61 return TRUE;
62}
63
64/* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
65#define MINUS_ONE (~ (bfd_vma) 0)
66
67static reloc_howto_type x86_64_howto_table[]=
68{
69 /* 0 */
70 HOWTO(BFD_RELOC_64, 0, 4, 64, FALSE, 0,
71 complain_overflow_bitfield,
72 NULL, "64",
73 FALSE, MINUS_ONE, MINUS_ONE, FALSE),
74 HOWTO(BFD_RELOC_32, 0, 2, 32, FALSE, 0,
75 complain_overflow_bitfield,
76 NULL, "32",
77 FALSE, 0xffffffff, 0xffffffff, FALSE),
78 HOWTO(BFD_RELOC_32_PCREL, 0, 2, 32, TRUE, 0,
79 complain_overflow_bitfield,
80 NULL, "DISP32",
81 FALSE, 0xffffffff, 0xffffffff, TRUE),
82 HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_1, 0, 2, 32, TRUE, 0,
83 complain_overflow_bitfield,
84 NULL, "DISP32_1",
85 FALSE, 0xffffffff, 0xffffffff, TRUE),
86 /* 4 */
87 HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_2, 0, 2, 32, TRUE, 0,
88 complain_overflow_bitfield,
89 NULL, "DISP32_2",
90 FALSE, 0xffffffff, 0xffffffff, TRUE),
91 HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_4, 0, 2, 32, TRUE, 0,
92 complain_overflow_bitfield,
93 NULL, "DISP32_4",
94 FALSE, 0xffffffff, 0xffffffff, TRUE),
95 HOWTO(BFD_RELOC_MACH_O_X86_64_BRANCH32, 0, 2, 32, TRUE, 0,
96 complain_overflow_bitfield,
97 NULL, "BRANCH32",
98 FALSE, 0xffffffff, 0xffffffff, TRUE),
99 HOWTO(BFD_RELOC_MACH_O_X86_64_GOT_LOAD, 0, 2, 32, TRUE, 0,
100 complain_overflow_bitfield,
101 NULL, "GOT_LOAD",
102 FALSE, 0xffffffff, 0xffffffff, TRUE),
103 /* 8 */
104 HOWTO(BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32, 0, 2, 32, FALSE, 0,
105 complain_overflow_bitfield,
106 NULL, "SUBTRACTOR32",
107 FALSE, 0xffffffff, 0xffffffff, FALSE),
108 HOWTO(BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64, 0, 4, 64, FALSE, 0,
109 complain_overflow_bitfield,
110 NULL, "SUBTRACTOR64",
111 FALSE, MINUS_ONE, MINUS_ONE, FALSE),
112 HOWTO(BFD_RELOC_MACH_O_X86_64_GOT, 0, 2, 32, TRUE, 0,
113 complain_overflow_bitfield,
114 NULL, "GOT",
115 FALSE, 0xffffffff, 0xffffffff, TRUE),
116 HOWTO(BFD_RELOC_MACH_O_X86_64_BRANCH8, 0, 0, 8, TRUE, 0,
117 complain_overflow_bitfield,
118 NULL, "BRANCH8",
119 FALSE, 0xff, 0xff, TRUE),
120};
121
122static bfd_boolean
123bfd_mach_o_x86_64_swap_reloc_in (arelent *res, bfd_mach_o_reloc_info *reloc)
124{
125 /* On x86-64, scattered relocs are not used. */
126 if (reloc->r_scattered)
127 return FALSE;
128
129 switch (reloc->r_type)
130 {
131 case BFD_MACH_O_X86_64_RELOC_UNSIGNED:
132 if (reloc->r_pcrel)
133 return FALSE;
134 switch (reloc->r_length)
135 {
136 case 2:
137 res->howto = &x86_64_howto_table[1];
138 return TRUE;
139 case 3:
140 res->howto = &x86_64_howto_table[0];
141 return TRUE;
142 default:
143 return FALSE;
144 }
145 case BFD_MACH_O_X86_64_RELOC_SIGNED:
146 if (reloc->r_length == 2 && reloc->r_pcrel)
147 {
148 res->howto = &x86_64_howto_table[2];
149 return TRUE;
150 }
151 break;
152 case BFD_MACH_O_X86_64_RELOC_BRANCH:
153 if (!reloc->r_pcrel)
154 return FALSE;
155 switch (reloc->r_length)
156 {
157 case 2:
158 res->howto = &x86_64_howto_table[6];
159 return TRUE;
160 default:
161 return FALSE;
162 }
163 break;
164 case BFD_MACH_O_X86_64_RELOC_GOT_LOAD:
165 if (reloc->r_length == 2 && reloc->r_pcrel && reloc->r_extern)
166 {
167 res->howto = &x86_64_howto_table[7];
168 return TRUE;
169 }
170 break;
171 case BFD_MACH_O_X86_64_RELOC_GOT:
172 if (reloc->r_length == 2 && reloc->r_pcrel && reloc->r_extern)
173 {
174 res->howto = &x86_64_howto_table[10];
175 return TRUE;
176 }
177 break;
178 case BFD_MACH_O_X86_64_RELOC_SUBTRACTOR:
179 if (reloc->r_pcrel)
180 return FALSE;
181 switch (reloc->r_length)
182 {
183 case 2:
184 res->howto = &x86_64_howto_table[8];
185 return TRUE;
186 case 3:
187 res->howto = &x86_64_howto_table[9];
188 return TRUE;
189 default:
190 return FALSE;
191 }
192 break;
193 case BFD_MACH_O_X86_64_RELOC_SIGNED_1:
194 if (reloc->r_length == 2 && reloc->r_pcrel)
195 {
196 res->howto = &x86_64_howto_table[3];
197 return TRUE;
198 }
199 break;
200 case BFD_MACH_O_X86_64_RELOC_SIGNED_2:
201 if (reloc->r_length == 2 && reloc->r_pcrel)
202 {
203 res->howto = &x86_64_howto_table[4];
204 return TRUE;
205 }
206 break;
207 case BFD_MACH_O_X86_64_RELOC_SIGNED_4:
208 if (reloc->r_length == 2 && reloc->r_pcrel)
209 {
210 res->howto = &x86_64_howto_table[5];
211 return TRUE;
212 }
213 break;
214 default:
215 return FALSE;
216 }
217 return FALSE;
218}
219
220static bfd_boolean
221bfd_mach_o_x86_64_swap_reloc_out (arelent *rel, bfd_mach_o_reloc_info *rinfo)
222{
223 rinfo->r_address = rel->address;
fde33808 224 rinfo->r_scattered = 0;
618b7301
TG		 225 switch (rel->howto->type)
226 {
227 case BFD_RELOC_64:
618b7301
TG		 228 rinfo->r_type = BFD_MACH_O_X86_64_RELOC_UNSIGNED;
229 rinfo->r_pcrel = 0;
fde33808
TG		 230 rinfo->r_length = 3;
231 break;
232 case BFD_RELOC_32_PCREL:
233 rinfo->r_type = BFD_MACH_O_X86_64_RELOC_BRANCH;
234 rinfo->r_pcrel = 1;
235 rinfo->r_length = 2;
236 break;
237 case BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64:
238 rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SUBTRACTOR;
239 rinfo->r_pcrel = 0;
240 rinfo->r_length = 3;
241 break;
242 case BFD_RELOC_MACH_O_X86_64_GOT_LOAD:
243 rinfo->r_type = BFD_MACH_O_X86_64_RELOC_GOT_LOAD;
244 rinfo->r_pcrel = 1;
245 rinfo->r_length = 2;
618b7301
TG		 246 break;
247 default:
248 return FALSE;
249 }
fde33808
TG		 250 if ((*rel->sym_ptr_ptr)->flags & BSF_SECTION_SYM)
251 {
252 rinfo->r_extern = 0;
253 rinfo->r_value = (*rel->sym_ptr_ptr)->section->target_index;
254 }
255 else
256 {
257 rinfo->r_extern = 1;
258 rinfo->r_value = (*rel->sym_ptr_ptr)->udata.i;
259 }
618b7301
TG		 260 return TRUE;
261}
262
263static reloc_howto_type *
264bfd_mach_o_x86_64_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
265 bfd_reloc_code_real_type code)
266{
267 unsigned int i;
268
269 for (i = 0;
270 i < sizeof (x86_64_howto_table) / sizeof (*x86_64_howto_table);
271 i++)
272 if (code == x86_64_howto_table[i].type)
273 return &x86_64_howto_table[i];
274 return NULL;
275}
276
277static reloc_howto_type *
278bfd_mach_o_x86_64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
279 const char *name ATTRIBUTE_UNUSED)
280{
281 return NULL;
282}
283
ab76eeaf
IS		 284static bfd_boolean
285bfd_mach_o_section_type_valid_for_x86_64 (unsigned long val)
286{
287 if (val == BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS
288 || val == BFD_MACH_O_S_LAZY_SYMBOL_POINTERS
289 || val == BFD_MACH_O_S_SYMBOL_STUBS)
290 return FALSE;
291 return TRUE;
292}
293
618b7301
TG		 294#define bfd_mach_o_swap_reloc_in bfd_mach_o_x86_64_swap_reloc_in
295#define bfd_mach_o_swap_reloc_out bfd_mach_o_x86_64_swap_reloc_out
296
297#define bfd_mach_o_bfd_reloc_type_lookup bfd_mach_o_x86_64_bfd_reloc_type_lookup
298#define bfd_mach_o_bfd_reloc_name_lookup bfd_mach_o_x86_64_bfd_reloc_name_lookup
299#define bfd_mach_o_print_thread NULL
a4551119 300#define bfd_mach_o_tgt_seg_table NULL
ab76eeaf 301#define bfd_mach_o_section_type_valid_for_tgt bfd_mach_o_section_type_valid_for_x86_64
618b7301
TG		 302
303#define TARGET_NAME mach_o_x86_64_vec
304#define TARGET_STRING "mach-o-x86-64"
305#define TARGET_ARCHITECTURE bfd_arch_i386
306#define TARGET_BIG_ENDIAN 0
307#define TARGET_ARCHIVE 0
b93a1992 308#define TARGET_PRIORITY 0
618b7301 309#include "mach-o-target.c"
GDB Binutils - Deliverables
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